Anti-blocking screening equipment for feed processing

Abstract

The invention discloses anti-blocking screening equipment for feed processing, and relates to the technical field of feed production, the equipment comprises a screening box and a rotating frame, the upper end of the screening box is communicated with a storage box, a distributing roller is rotatably arranged at the position, corresponding to a discharge port in the lower end of the storage box, in the screening box, and a plurality of distributing grooves are formed in the distributing roller; a first filter screen and a second filter screen are arranged in the mounting grooves in one sides of the two rotating frames in a matched mode correspondingly, two cams are arranged at the lower ends, where the first filter screen is located, of the rotating frames in a matched mode, a connecting pipe is arranged at the position, corresponding to the discharging plate, of one side of the screening box in a communicating mode, and an adjusting mechanism facilitating adjustment of the discharging amount is arranged in the distributing groove. And a conveying mechanism facilitating conveying of the screened feed is arranged at the position, corresponding to the connecting pipe, of one side of the screening box, the discharging amount can be conveniently adjusted through the adjusting mechanism, the feed can be conveniently conveyed through the conveying mechanism so that multiple times of screening can be conducted, and meanwhile the screened feed can be conveniently collected.

Description

Technical Field

[0001] The invention relates to the technical field of feed production, in particular to anti-blocking screening equipment for feed processing. Background Art

[0002] Feed is the general term for food for all animals raised by humans. In the process of animal husbandry, feed needs to be processed. Feed processing involves feed screening so that the particle size of the feed meets the requirements, thereby improving the absorption effect of the animals. When the existing screening equipment is in use, because the feed stays on the filter plate for a short time and the amount of feed is too much, it is easy for qualified feed to be screened out along with feed with too large particles, resulting in feed waste. When the existing screening equipment is in use, the screened material is easy to accumulate on the filter screen, resulting in poor screening effect.

[0003] Chinese Patent: CN112604947A, which discloses a feed screening device, the screening device drives the eccentric wheel through the motor so that the mounting frame drives the arc filter to vibrate up and down, the qualified volume of the material passes through the arc filter into the discharge hopper, the unqualified volume of the material slides to the edge of the arc filter, and the vibration of the arc filter prevents the material from accumulating on the arc filter. Although the above screening device can reduce the clogging of the filter during screening, when the amount of feed is too much, the unqualified feed will hinder the screening of the feed by the arc filter. When the above screening device works for a long time, it is necessary to manually clean the unqualified feed at the upper end of the arc filter plate at regular intervals. When cleaning, the screening device needs to be stopped, thereby affecting the production efficiency. When the unqualified feed at the upper end of the arc filter increases, the screening area of ​​the arc filter will gradually decrease, and even the arc filter will be completely blocked, thereby seriously affecting the screening effect.

[0004] Based on this, anti-blocking screening equipment is now provided for feed processing, which can eliminate the disadvantages of existing devices. Summary of the invention

[0005] The object of the present invention is to provide an anti-blocking screening device for feed processing to solve the problems in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The anti-blocking screening equipment for feed processing comprises a screening box and a rotating frame, the interior of the screening box is hollow, the upper end of the screening box is connected to a storage box, and a distribution roller is rotatably provided inside the screening box at a position corresponding to the discharge port at the lower end of the storage box, and a plurality of distribution troughs are provided on the distribution roller, and a plurality of baffles are provided inside the screening box at positions corresponding to the positions of the distribution rollers, and a plurality of baffles are combined into a feeding pipe, and one end of the feeding pipe is connected to a rolling box, and two rolling rollers are cooperated inside the rolling box, and a rectangular through-hole is provided at the lower end of the rolling box, and the two rotating frames are rotatably arranged inside the screening box, and a mounting groove is provided on one side of the rotating frame, and a first filter screen and a second filter screen are respectively cooperated in the mounting grooves on one side of the two rotating frames, and two cams are cooperated at the lower end of the rotating frame where the first filter screen is located, and the cam is fixed on the connecting shaft, and the connecting shaft rotates The gear train is equipped with a gear that is adapted to move the gears of the gears to the gears of the gears and to enable the gears to move relative to each other to move along the gears of the gears.

[0008] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0009] In an optional scheme: the driving assembly includes a second motor, the second motor is fixedly provided at the upper end of the screening box, a first driving wheel is fixedly provided on the output shaft of the second motor, the first driving wheel is transmission-connected to the first driven wheel through a first belt, the first driven wheel is fixedly provided on the rotating shaft at one end of the dividing roller, a second driving wheel is fixedly provided on the rotating shaft at one end of the dividing roller, the second driving wheel is transmission-connected to the second driven wheel through a second belt, the second driven wheel is fixedly provided on the rotating shaft at one end of the rolling roller where the driving gear is located, a third driving wheel is fixedly provided on the rotating shaft at one end of the rolling roller where the driving gear is located, the third driving wheel is transmission-connected to the third driven wheel through a third belt, and the third driven wheel is fixedly provided at one end of the connecting shaft.

[0010] In an optional scheme: the adjustment mechanism includes an adjustment plate, which is slidably arranged in the material dividing trough, and the lower end of the adjustment plate is rotatably connected to one end of two first connecting rods respectively, and the other end of the first connecting rod is rotatably connected to a connecting ring, and a bidirectional screw is cooperated in a threaded hole on one side of the connecting ring, and the threads at both ends of the bidirectional screw have opposite rotation directions, one end of the bidirectional screw is rotatably arranged on one side of a circular mounting groove inside the material dividing roller, and the other end of the bidirectional screw is fixedly connected to the output end of the first motor, and the first motor is fixedly arranged inside the circular mounting groove, and a rectangular through hole is provided at the bottom end of the material dividing trough.

[0011] In an optional scheme: the conveying mechanism includes a transmission cylinder, the transmission cylinder is fixedly arranged on the upper end of the mounting plate on one side of the screening box, the transmission cylinder is connected with two connecting pipes, one end of the transmission cylinder is connected with a fixed pipe, one end of the fixed pipe is rotatably connected with one end of a return pipe, the other end of the return pipe is cooperated in a rectangular through hole on one side of the baffle, a rotating shaft is rotatably arranged inside the transmission cylinder, a spiral sheet is fixedly arranged on the rotating shaft, and one end of the rotating shaft is provided with a linkage component for driving the rotating shaft to rotate.

[0012] In an optional scheme: the linkage assembly includes a driven bevel gear fixed at one end of the rotating shaft, the driven bevel gear is matched with a driving bevel gear, the driving bevel gear is fixed on the transmission shaft, a fixed rotating plate is rotatably provided on the driving bevel gear, the fixed rotating plate is fixed on one side of the screening box, a fourth driven wheel is provided at one end of the transmission shaft, the fourth driven wheel is connected to the fourth driving wheel through a fourth belt, and the fourth driving wheel is fixed on the output shaft of the second motor.

[0013] In an optional solution: the lower end of the return pipe is rotatably connected to one end of the third connecting rod, the other end of the third connecting rod is rotatably connected to the upper end of the fixing frame, and the fixing frame is fixedly installed on the upper end of the rotating frame where the first filter is located.

[0014] In an optional solution: a discharge pipe is connected to the transmission cylinder, and an electric valve is provided at one end of the fixed pipe and the discharge pipe.

[0015] In an optional solution: a rectangular through hole is provided on one side of the screening box at positions corresponding to the first filter screen and the second filter screen, a fixing plate is provided in the rectangular through hole, and the fixing plate is fixedly connected to the screening box by screws.

[0016] In an optional solution: a dividing rod is provided at the bottom end of the rolling box, and the dividing rod is fixed below between two rolling rollers, and the cross-section of the rolling roller is an isosceles triangle.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention uses an adjusting mechanism to drive the adjusting plate to move and adjust the capacity of the material distribution trough, thereby adjusting the screening amount to prevent excessive material from affecting the screening effect. At the same time, under the action of the material distribution rod, it is convenient to make the feed fall evenly to the upper end of the first filter screen to prevent excessive feed from clogging the first filter screen and ensure the screening effect.

[0019] 2. The present invention can perform multi-stage screening of feed by installing the first filter and the second filter to prevent qualified feed from being screened out along with unqualified feed. At the same time, the first filter and the second filter are driven to swing under the action of the cam, which can increase the screening effect of the first filter and the second filter on the feed and prevent the first filter and the second filter from being blocked.

[0020] 3. The present invention facilitates the transportation of screened feed through a conveying mechanism, and can re-convey the screened feed to a discharge pipe so that the screened feed can be repeatedly crushed and screened to increase the feed yield rate. At the same time, an electromagnetic valve is provided to facilitate the discharge of the screened feed through a discharge pipe, which is convenient for staff to collect and process.

[0021] 4. The present invention provides rectangular through-holes at positions corresponding to the positions of the first filter screen and the second filter screen on one side of the screening box, and the first filter screen and the second filter screen are slidably connected to the mounting groove on one side of the rotating frame, so that the staff can replace and clean the first filter screen and the second filter screen conveniently, and at the same time, a fixing plate can be provided to prevent the first filter screen and the second filter screen from falling off from the mounting groove on one side. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention.

[0023] Figure 2 It is a schematic diagram of the fixing plate structure of the present invention.

[0024] Figure 3 It is a schematic diagram of the internal structure of the screening box of the present invention.

[0025] Figure 4 It is a schematic diagram of the internal structure of the transmission tube of the present invention.

[0026] Figure 5 It is a schematic diagram of the structure of the material dividing roller of the present invention.

[0027] Figure 6 It is a schematic diagram of the connection between the connecting ring and the bidirectional screw of the present invention.

[0028] Figure 7 It is a schematic diagram of the cam installation of the present invention.

[0029] Notes on figure numbers: 11 screening box, 12 storage box, 13 baffle, 14 distribution roller, 15 adjustment plate, 16 first connecting rod, 17 connecting ring, 18 bidirectional screw, 19 first motor, 20 crushing box, 21 crushing roller, 22 distribution rod, 23 driving gear, 24 driven gear, 25 rotating frame, 26 first filter screen, 27 second filter screen, 28 second connecting rod, 29 cam, 30 transmission cylinder, 31 rotating shaft, 32 spiral sheet, 33 electric valve, 34 discharge pipe, 35 driven bevel gear, 36 driving bevel gear, 37 second motor, 38 fixed plate, 39 return pipe. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] In one embodiment, Figure 1-Figure 7As shown, the anti-blocking screening equipment for feed processing includes a screening box 11 and a rotating frame 25, the interior of the screening box 11 is hollow, the upper end of the screening box 11 is connected to a storage box 12, the interior of the screening box 11 is rotatably provided with a distribution roller 14 at a position corresponding to the discharge port at the lower end of the storage box 12, the distribution roller 14 is provided with a plurality of distribution grooves, the interior of the screening box 11 is provided with a plurality of baffles 13 at positions corresponding to the positions of the distribution rollers 14, and the plurality of baffles 13 are combined into a feed discharge pipe, one end of the feed discharge pipe is connected to a rolling box 2 0, two rolling rollers 21 are provided inside the rolling box 20, a rectangular perforation is provided at the lower end of the rolling box 20, the two rotating frames 25 are rotatably arranged inside the screening box 11, a mounting groove is provided on one side of the rotating frame 25, and a first filter screen 26 and a second filter screen 27 are respectively provided in the mounting grooves on one side of the two rotating frames 25, and two cams 29 are provided at the lower end of the rotating frame 25 where the first filter screen 26 is located, and the cams 29 are fixed on the connecting shaft, and the connecting shaft is rotatably arranged inside the screening box 11, and the upper end of the screening box 11 A driving assembly is provided for driving the material distribution roller 14, the rolling roller 21 and the cam 29 to rotate. A second connecting rod 28 is symmetrically provided between the two rotating frames 25. The two ends of the second connecting rod 28 are respectively connected to one side of the two rotating frames 25 for rotation. A driven gear 24 is fixed on the rotating shaft of the rolling roller 21 close to the rotating shaft of the rotating frame 25. A driving gear 23 meshing with the driven gear 24 is provided on the rotating shaft at one end of the other rolling roller 21. A blanking plate is provided at a position corresponding to one end of the rotating frame 25 on one side of the inner side of the screening box 11. The upper end of the unloading plate is in close contact with the lower end of the rotating frame 25, a discharge pipe is connected to one side of the bottom end of the screening box 11, a connecting pipe is connected to one side of the screening box 11 at a position corresponding to the position of the unloading plate, an adjusting mechanism is provided inside the material distribution trough for adjusting the unloading amount, a conveying mechanism is provided at one side of the screening box 11 at a position corresponding to the position of the connecting pipe for conveying the screened feed, the unloading amount is adjusted by the adjusting mechanism, the conveying mechanism is convenient for conveying the feed for multiple screening, and it is convenient for collecting the screened feed;

[0032] The driving assembly includes a second motor 37, which is fixedly arranged at the upper end of the screening box 11, a first driving wheel is fixedly arranged on the output shaft of the second motor 37, the first driving wheel is connected to the first driven wheel through a first belt, the first driven wheel is fixedly arranged on the rotating shaft at one end of the material distribution roller 14, a second driving wheel is fixedly arranged on the rotating shaft at one end of the material distribution roller 14, the second driving wheel is connected to the second driven wheel through a second belt, the second driven wheel is fixedly arranged on the rotating shaft at one end of the rolling roller 21 where the driving gear 23 is located, and the first driven wheel is connected to the second driven wheel through a second belt. A third driving wheel is fixedly provided on the end rotating shaft, and the third driving wheel is transmission-connected to the third driven wheel through a third belt. The third driven wheel is fixedly provided at one end of the connecting shaft. When in use, the second motor 37 is started, and the output shaft of the second motor 37 drives the first driving wheel to rotate, and the first driving wheel drives the dividing roller 14 to rotate through the first belt, and the dividing roller 14 drives the second driving wheel to rotate when it rotates, and the second driving wheel drives the driving gear 23 to rotate through the second belt, and the driving gear 23 drives the rolling roller 21 to rotate, and the rolling roller 21 drives the third driving wheel to rotate, and the third driving wheel drives the cam 29 to rotate through the third belt.

[0033] The adjusting mechanism comprises an adjusting plate 15, which is slidably arranged in the material distributing trough, and the lower end of the adjusting plate 15 is rotatably connected with one end of two first connecting rods 16 respectively, and the other end of the first connecting rod 16 is rotatably connected with a connecting ring 17, and a bidirectional screw 18 is matched in a threaded hole on one side of the connecting ring 17, and the threads at both ends of the bidirectional screw 18 have opposite rotation directions. One end of the bidirectional screw 18 is rotatably arranged on one side of a circular mounting groove inside the material distributing roller 14, and the other end of the bidirectional screw 18 is fixedly connected with the output end of a first motor 19, and the first motor 19 is fixed inside the circular mounting groove. A rectangular through hole is arranged at the bottom end of the material distributing trough. When in use, when it is necessary to adjust the capacity of the material distributing trough, the first motor 19 is started, and the output end of the first motor 19 drives the bidirectional screw 18 to rotate. Under the action of the thread, the connecting ring 17 moves along the axis of the bidirectional screw 18. Since the threads at both ends of the bidirectional screw 18 have opposite rotation directions, the two connecting rings 17 move in opposite directions. When the connecting ring 17 moves, the adjusting plate 15 is pushed to move through the two first connecting rods 16.

[0034] The conveying mechanism includes a transmission drum 30, which is fixedly arranged on the upper end of the mounting plate on one side of the screening box 11. The transmission drum 30 is communicated with two connecting pipes, one end of the transmission drum 30 is communicated with a fixed pipe, one end of the fixed pipe is rotatably connected to one end of the return pipe 39, and the other end of the return pipe 39 is cooperated and arranged in a rectangular through-hole on one side of the baffle 13. A rotating shaft 31 is rotatably arranged inside the transmission drum 30, and a spiral piece 32 is fixedly arranged on the rotating shaft 31. One end of the rotating shaft 31 is provided with a linkage component for driving the rotating shaft 31 to rotate. When in use, the feed screened by the first filter screen 26 and the second filter screen 27 enters the transmission drum 30 through the connecting pipe, and the rotating shaft 31 is driven to rotate by the linkage component. The rotating shaft 31 drives the spiral piece 32 to rotate. Under the action of the spiral piece 32, the feed is transported to the inside of the return pipe 39, and then the feed enters the discharge pipe through the return pipe 39, and can be repeatedly crushed and screened.

[0035] The linkage assembly includes a driven bevel gear 35 fixedly arranged at one end of the rotating shaft 31, a driving bevel gear 36 is matched on the driven bevel gear 35, the driving bevel gear 36 is fixedly arranged on the transmission shaft, a fixed rotating plate is rotatably arranged on the driving bevel gear 36, and the fixed rotating plate is fixedly arranged on one side of the screening box 11, a fourth driven wheel is arranged at one end of the transmission shaft, the fourth driven wheel is connected to the fourth driving wheel through a fourth belt, and the fourth driving wheel is fixedly arranged on the output shaft of the second motor 37. When in use, when the second motor 37 rotates, the output shaft of the second motor 37 drives the fourth driving wheel to rotate, the fourth driving wheel drives the transmission shaft to rotate through the fourth belt, the transmission shaft drives the driving bevel gear 36 to rotate, the driving bevel gear 36 and the driven bevel gear 35 mesh with each other and rotate, and the driven bevel gear 35 drives the rotating shaft 31 to rotate.

[0036] The lower end of the return pipe 39 is rotatably connected to one end of the third connecting rod, and the other end of the third connecting rod is rotatably connected to the upper end of the fixed frame. The fixed frame is fixedly installed on the upper end of the rotating frame 25 where the first filter 26 is located. When in use, when the cam 29 drives the rotating frame 25 to swing, the rotating frame 25 drives the return pipe 39 to swing through the third connecting rod, and the return pipe 39 can be prevented from being blocked by feed when it swings.

[0037] The transmission cylinder 30 is connected to a discharge pipe 34 , and the fixed pipe and one end of the discharge pipe 34 are both provided with electric valves 33 . When in use, when the screened feed needs to be discharged, the electric valve 33 on the fixed pipe can be closed, and the electric valve 33 on the discharge pipe 34 can be opened, and then the feed can be discharged through the discharge pipe 34 .

[0038] A rectangular through hole is provided on one side of the screening box 11 at a position corresponding to the position of the first filter screen 26 and the second filter screen 27. A fixing plate 38 is provided in the rectangular through hole. The fixing plate 38 is fixedly connected to the screening box 11 by screws. When in use, the fixing plate 38 can be taken out by removing the screws, so as to facilitate the replacement and cleaning of the first filter screen 26 and the second filter screen 27.

[0039] The bottom of the rolling box 20 is provided with a dividing rod 22, which is fixed below the two rolling rollers 21. The cross-section of the rolling roller 21 is an isosceles triangle. When in use, it is convenient to make the feed fall evenly above the first filter screen 26 to prevent the screening effect from being affected by excessive feed.

[0040] The above embodiment discloses an anti-blocking screening device for feed processing, wherein, when the feed needs to be screened, the feed to be screened is dumped into the storage box 12, and then the second motor 37 is started, and the output shaft of the second motor 37 drives the first driving wheel to rotate, and the first driving wheel drives the dividing roller 14 to rotate through the first belt, and the dividing roller 14 drives the dividing trough to rotate, and when the dividing trough intersects with the discharge port at the lower end of the storage box 12, the feed falls into the dividing trough, and the dividing roller 14 continues to rotate, and the feed falls into the rolling box 20, and when the dividing roller 14 rotates, it drives the second driving wheel to rotate, and the second driving wheel drives the driving gear 23 to rotate through the second belt, and the driving gear 23 and the driven gear 24 mesh and rotate with each other, and the two rolling rollers 21 rotate in opposite directions to crush the agglomerated feed, and then the dividing rod 22 makes the feed fall evenly to the upper end of the first filter screen 26, and the rolling roller 21 drives The third driving wheel rotates, and the third driving wheel drives the cam 29 to rotate through the third belt, and the cam 29 drives the rotating frame 25 near the upper end of the screening box 11 to swing. Under the action of the second connecting rod 28, the two rotating frames 25 swing at the same time, and the first filter screen 26 and the second filter screen 27 follow the swing of the rotating frame 25 to facilitate rapid screening of the feed. The screened qualified feed falls to the bottom end of the screening box 11 and is discharged through the discharge pipe. The feed screened by the first filter screen 26 and the second filter screen 27 enters the transmission cylinder 30 through the connecting pipe, and the output shaft of the second motor 37 drives the fourth driving wheel to rotate, and the fourth driving wheel drives the transmission shaft to rotate through the fourth belt, and the transmission shaft drives the driving bevel gear 36 to rotate, and the driving bevel gear 36 and the driven bevel gear 35 mesh with each other to rotate, and the driven bevel gear 35 drives the rotating shaft 31 to rotate, and the rotating shaft 31 drives the spiral piece 32 to rotate;

[0041] When it is necessary to perform multiple crushing and screening on the screened feed, the electric valve 33 on the discharge pipe 34 is closed, and the electric valve 33 on the fixed pipe is opened. Under the action of the spiral blade 32, the feed is transported to the inside of the return pipe 39, and then the feed enters the discharge pipe through the return pipe 39, and can be repeatedly crushed and screened. At the same time, when the cam 29 drives the rotating frame 25 to swing, the rotating frame 25 drives the return pipe 39 to swing through the third connecting rod. When the return pipe 39 swings, the feed is prevented from being blocked. When the screened feed needs to be discharged, the electric valve 33 on the fixed pipe is closed, and the electric valve 33 on the discharge pipe 34 is opened. Then, the feed is discharged through the discharge pipe 3 4 discharges the feed. When the capacity of the feed trough needs to be adjusted, the first motor 19 is started. The input end of the first motor 19 is connected to two rotating rings on the rotating shaft at one end of the feed roller 14. The two rotating rings are rotatably connected on the rotating shaft at one end of the feed roller. The two rotating rings are respectively connected to the positive and negative poles of the output end of the external power supply device. The output end of the first motor 19 drives the bidirectional screw 18 to rotate. Under the action of the thread, the connecting ring 17 moves along the axis of the bidirectional screw 18. Since the threads at both ends of the bidirectional screw 18 rotate in opposite directions, the two connecting rings 17 move in opposite directions. When the connecting ring 17 moves, it pushes the adjusting plate 15 to move through the two first connecting rods 16.

[0042] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. Anti-blocking screening equipment for feed processing, comprising a screening box (11) and a rotating frame (25), the interior of the screening box (11) is hollow, the upper end of the screening box (11) is connected to a storage box (12), a distribution roller (14) is rotatably provided in the screening box (11) at a position corresponding to the discharge port at the lower end of the storage box (12), the distribution roller (14) is provided with a plurality of distribution grooves, a plurality of baffles (13) are provided in the screening box (11) at positions corresponding to the distribution roller (14), a plurality of baffles (13) are combined into a feed discharge pipe, one end of the feed discharge pipe is connected to a rolling box (20), two rolling rollers (21) are matched in the rolling box (20), a rectangular through hole is provided at the lower end of the rolling box (20), and two rotating frames (25) are rotatably provided in the screening box (11), characterized in that: A mounting groove is provided on one side of the rotating frame (25), and a first filter screen (26) and a second filter screen (27) are respectively provided in the mounting grooves on one side of the two rotating frames (25). Two cams (29) are provided at the lower end of the rotating frame (25) where the first filter screen (26) is located. The cams (29) are fixed on a connecting shaft, and the connecting shaft is rotatably arranged inside the screening box (11). A driving assembly for driving the material distribution roller (14), the rolling roller (21) and the cams (29) to rotate is provided at the upper end of the screening box (11). A second connecting rod (28) is symmetrically provided between the two rotating frames (25), and the two ends of the second connecting rod (28) are respectively rotatably connected to one side of the two rotating frames (25). A driven gear (24) is fixedly provided on the rotating shaft of the rolling roller (21) on one side of the rotating shaft, and a driving gear (23) meshing with the driven gear (24) is provided on the rotating shaft at one end of the other rolling roller (21). A discharge plate is provided at a position corresponding to one end of the rotating frame (25) inside the screening box (11), and the upper end of the discharge plate is tightly attached to the lower end of the rotating frame (25). A discharge pipe is provided on one side of the bottom end of the screening box (11), and a connecting pipe is provided on one side of the screening box (11) at a position corresponding to the discharge plate. An adjusting mechanism for adjusting the discharge amount is provided inside the material distribution trough, and a conveying mechanism for conveying the screened feed is provided at a position corresponding to the connecting pipe on one side of the screening box (11).

2. The anti-blocking screening equipment for feed processing according to claim 1, characterized in that: The driving assembly comprises a second motor (37), the second motor (37) being fixedly arranged at the upper end of the screening box (11), a first driving wheel being fixedly arranged on the output shaft of the second motor (37), the first driving wheel being transmission-connected to the first driven wheel via a first belt, the first driven wheel being fixedly arranged on the rotating shaft at one end of the material distribution roller (14), a second driving wheel being fixedly arranged on the rotating shaft at one end of the material distribution roller (14), the second driving wheel being transmission-connected to the second driven wheel via a second belt, the second driven wheel being fixedly arranged on the rotating shaft at one end of the rolling roller (21) where the driving gear (23) is located, a third driving wheel being fixedly arranged on the rotating shaft at one end of the rolling roller (21) where the driving gear (23) is located, the third driving wheel being transmission-connected to the third driven wheel via a third belt, and the third driven wheel being fixedly arranged at one end of the connecting shaft.

3. The anti-blocking screening equipment for feed processing according to claim 1, characterized in that: The adjustment mechanism comprises an adjustment plate (15), the adjustment plate (15) is slidably arranged in the material distribution trough, the lower end of the adjustment plate (15) is rotatably connected to one end of two first connecting rods (16), the other end of the first connecting rod (16) is rotatably connected to a connecting ring (17), a bidirectional screw (18) is matched in a threaded hole on one side of the connecting ring (17), the threads at both ends of the bidirectional screw (18) are in opposite directions, one end of the bidirectional screw (18) is rotatably arranged on one side of a circular mounting groove inside the material distribution roller (14), the other end of the bidirectional screw (18) is fixedly connected to the output end of a first motor (19), the first motor (19) is fixedly arranged inside the circular mounting groove, and a rectangular through hole is arranged at the bottom end of the material distribution trough.

4. The anti-blocking screening equipment for feed processing according to claim 1, characterized in that: The conveying mechanism comprises a transmission cylinder (30), wherein the transmission cylinder (30) is fixedly arranged on the upper end of a mounting plate on one side of the screening box (11), the transmission cylinder (30) is connected to two connecting pipes, one end of the transmission cylinder (30) is connected to a fixed pipe, one end of the fixed pipe is rotatably connected to one end of a return pipe (39), the other end of the return pipe (39) is cooperatively arranged in a rectangular through hole on one side of the baffle (13), a rotating shaft (31) is rotatably arranged inside the transmission cylinder (30), a spiral sheet (32) is fixedly arranged on the rotating shaft (31), and one end of the rotating shaft (31) is provided with a linkage component for driving the rotating shaft (31) to rotate.

5. The anti-blocking screening equipment for feed processing according to claim 4, characterized in that: The linkage assembly comprises a driven bevel gear (35) fixedly arranged at one end of a rotating shaft (31); a driving bevel gear (36) is matched with the driven bevel gear (35); the driving bevel gear (36) is fixedly arranged on the transmission shaft; a fixed rotating plate is rotatably arranged on the driving bevel gear (36); the fixed rotating plate is fixedly arranged on one side of the screening box (11); a fourth driven wheel is arranged at one end of the transmission shaft; the fourth driven wheel is connected to the fourth driving wheel through a fourth belt; the fourth driving wheel is fixedly arranged on the output shaft of the second motor (37).

6. The anti-blocking screening equipment for feed processing according to claim 4, characterized in that: The lower end of the return pipe (39) is rotatably connected to one end of the third connecting rod, and the other end of the third connecting rod is rotatably connected to the upper end of the fixing frame, and the fixing frame is fixedly installed on the upper end of the rotating frame (25) where the first filter screen (26) is located.

7. The anti-blocking screening equipment for feed processing according to claim 4, characterized in that: The transmission cylinder (30) is connected to a discharge pipe (34), and one end of the fixed pipe and the discharge pipe (34) are both provided with an electric valve (33).

8. The anti-blocking screening equipment for feed processing according to claim 1, characterized in that: A rectangular through hole is provided on one side of the screening box (11) at positions corresponding to the first filter screen (26) and the second filter screen (27), and a fixing plate (38) is provided in the rectangular through hole. The fixing plate (38) is fixedly connected to the screening box (11) by screws.

9. The anti-blocking screening equipment for feed processing according to claim 1, characterized in that: A material distribution rod (22) is provided at the bottom end of the rolling box (20), and the material distribution rod (22) is fixedly arranged below between two rolling rollers (21), and the cross section of the rolling roller (21) is an isosceles triangle.

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